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Description
7720442 WASHER, FLATPart #: 7720442 Description: WASHER, FLAT NSN: 5310 00 772 0442 ; 5310007720442 DISCONTINUED W O REPLACEMENT BY AM GENERAL. Pos. # Image NSN Part Number Description 1 2920 01 420 9968 12447109 GENERATOR,ENGINE AC 200 AMP 2 5975 01 350 1987 N9464 . BOOT,DUST AND MOIST 3 5310 01 350 4257 N9467 . NUT,PLAIN,CAP 4 5310 01 350 8549 N9465 . WASHER,FLAT 5 5306 01 348 8310 N9457 . BOLT,MACHINE 6 5310 00 348 8393 N9459 . WASHER,LOCK 7 5935 00 214 0904 7882907 .
Part #: 7720442
Description: WASHER, FLAT
NSN: 5310-00-772-0442 ; 5310007720442
DISCONTINUED W/O REPLACEMENT BY AM GENERAL.
| Pos. # | Image | NSN | Part Number | Description |
| 1 | 2920-01-420-9968 | 12447109 |
GENERATOR,ENGINE AC 200 AMP |
|
| 2 | 5975-01-350-1987 | N9464 | .BOOT,DUST AND MOIST | |
| 3 | 5310-01-350-4257 | N9467 | .NUT,PLAIN,CAP | |
| 4 | 5310-01-350-8549 | N9465 | .WASHER,FLAT | |
| 5 | 5306-01-348-8310 | N9457 | .BOLT,MACHINE | |
| 6 | 5310-00-348-8393 | N9459 | .WASHER,LOCK | |
| 7 | 5935-00-214-0904 | 7882907 | .DUMMY CONNECTOR,PLUG | |
| 8 | 5975-00-660-5962 | 8724494 | .CABLE,NIPPLE,ELECTRICAL | |
| 9 | 5310-01-348-8314 | N9453 | .NUT,PLAIN HEXAGON | |
| 10 | 5310-01-348-8392 | N9461 | .WASHER,LOCK | |
| 11 | 5310-00-232-1361 | N9331 | .WASHER,FLAT | |
| 12 | 5970-01-350-5646 | N9420 | .INSULATOR,WASHER | |
| 13 | 5920-01-348-0303 | N9414 | .FUSE LINK,ELECTRICAL | |
| 14 | 5310-01-348-8386 | N9408 | .WASHER,FLAT | |
| 15 | 5365-01-348-6971 | N9460 | .SPACER,SLEEVE | |
| 16 | 3120-01-382-4194 | 12342772 | .BUSHING,SLEEVE | |
| 17 | 5310-01-348-8385 | N9455 | .WASHER,FLAT | |
| 18 | 5310-01-046-0186 | N9015 | .WASHER,LOCK | |
| 19 | 5310-01-348-8313 | N9426 | .NUT,PLAIN HEXAGON | |
| 20 | 5306-01-223-4345 | N9077 | .BOLT,SELF-LOCKING | |
| 21 | 5310-01-232-1362 | N9338 | .WASHER,FLAT | |
| 22 | 4140-01-350-0839 | N7370 | .FAN,GUARD ALTERNATOR | |
| 23 | 3120-01-413-6106 | 12342711 | .BUSHING,SLEEVE | |
| 24 | 5310-00-772-0442 | 7720442 | .WASHER,FLAT | |
| 25 | 5310-00-419-0876 | MS21245-L12 | .NUT,SELF-LOCKING,HE 3/4-16 | |
| 26 | 5315-00-012-4553 | MS35756-17 | .KEY,WOODRUFF #15 | |
| 27 | 2920-01-483-2291 | N3135 | .REGULATOR,ENGINE | |
| 28 | 5310-00-103-4169 | N9016 | .WASHER,FLAT | |
| 29 | 5310-01-032-4827 | N9018 | .WASHER,SPRING TENSION | |
| 30 | 5305-00-442-7347 | NAS1635-3-12P | .SCREW,MACHINE | |
| 31 | 5310-01-042-8391 | 500-1114-003 | .WASHER,FLAT | |
| 32 | 5310-01-348-8398 | N9410 | .NUT,PLAIN OCTAGON |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 3
Good mop, bad avoidance
Size: C20 renewed, Size: C20 renewed
I have mixed feelings about this product:
The good – It does in fact clean very well. The mop picks up dirt effectively and the vacuum works very well. It was also surprisingly good at swapping from carpet to wood. I have a high door mat and it ran right over that. It was also good at mapping rooms and positioning, the floor map and restricted areas worked nicely. App also works well.
The bad – Obstacle avoidance, it has none. It will run into everything over and over. If the item is too light (shoes, mic items, etc), it will run up on top of them or push them. It will also get stuck if it runs over something. Cords have no chance. The lidar does not work for anything except a wall, and even there it was unable to deal with short trim (1” trim was too low for the lidar and it kept running into the trim). I was having to run around and ensure there was nothing on the floor for it to work effectively. It also had a lot of trouble with my dining table, it would spend 20 min bumping up against it trying to get everywhere.
Overall – this is a great robot mop if your floors don’t have any items on them (or you can restrict any loose items to one area and make it a no-go zone). If that is true then this is a great mop for the price and I would recommend. In practice for me it turned out to be quite annoying due to its limited obstacle avoidance and was almost more of a pain then just using a Swiffer.
Note – I had to return because it was making a scraping noise (refurbished version), that is not reflecting in my rating. Though I am also not re-buying due to these issues.
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Reviewed in the United States on September 11, 2025
★★★★★ 5
neat
Size: C20 renewed
very nice product
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Reviewed in the United States on May 11, 2026
★★★★★ 5
You do have to replace some of the moving parts
Size: C20 renewed
I love this for the price. I run it every single day, and it keeps mine floor, clean and free of hair and crumbs. I was skeptical, but pleasantly surprised. I even recommended this one to my sister. It’s nice not having to come home and sweep or vacuum the floor every single day because of the Pet hair.
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Reviewed in the United States on February 12, 2026
★★★★★ 5
Perfect Replacement Roller Mop for Eufy Robot Vacuum
This replacement roller mop fits perfectly and works just like the original. Installation was quick and easy, and the quality feels durable and well-made.
It does an excellent job picking up dust and light debris while providing consistent floor cleaning performance. The roller is washable, easy to maintain, and holds up well after multiple cleaning cycles.
I appreciate that it restores the robot’s cleaning effectiveness without any compatibility issues. If you own a compatible Eufy model and need a replacement, this is a reliable option that keeps your robot performing at its best.
Highly recommended for maintaining optimal cleaning results.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Fit perfectly
Fit perfectly!
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Reviewed in the United States on March 12, 2026